Bump ramsey/composer-install from 3 to 4 #113

Job	Run time
Coding Standard & Static Analysis	59s
testsuite-linux (8.3, mariadb)	54s
testsuite-linux (8.1, pgsql)	51s
testsuite-linux (8.1, mariadb)	56s
testsuite-linux (8.2, sqlite)	1m 0s
testsuite-linux (8.4, sqlite)	1m 9s
testsuite-linux (8.3, mysql)	48s
testsuite-linux (8.1, sqlite)	37s
testsuite-linux (8.4, mysql)	42s
testsuite-linux (8.2, mariadb)	47s
testsuite-linux (8.1, mysql)	44s
testsuite-linux (8.4, mariadb)	50s
testsuite-linux (8.2, pgsql)	52s
testsuite-linux (8.2, mysql)	51s
testsuite-linux (8.3, sqlite)	53s
testsuite-linux (8.3, pgsql)	43s
testsuite-linux (8.4, pgsql)	46s
	14m 22s

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